Supplementary Information

Cross-linked multiblock copoly(arylene ether sulfone) ionomer/nano-ZrO2 composite anion exchange membranes for alkaline fuel cells

Xiuhua Li, *,a, b Jinxiong Tao,a, b Guanghui Nie,a, b Liuchan Wang,a, b Liuhong Li,a, b Shijun Liaoa, b

a School of Chemistry & Chemical Engineering, South China University of Technology, Guangzhou 510641, P. R. China.b The Key Laboratory of Fuel Cell Technology of Guangdong Province, South China University of Technology, Guangzhou 510641, P. R.China.

Corresponding Author

*Tel & Fax：8620 – 22236591. E-mail ：lixiuhua@scut.edu.cn

I. Figures

II. Experimental section

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Electronic Supplementary Material (ESI) for RSC Advances.This journal is © The Royal Society of Chemistry 2014

I. Figures

Fig. S1 1H NMR spectra of the hydroxyl-terminated hydrophilic oligomer X12.

Fig. S2 1H NMR spectra of the fluorine-terminated hydrophobic oligomer Y10.

Fig. S3 1H NMR spectra of MCPAES and BMCPAES.

Fig. S4 SEM cross section images of CLQCPAES and CLQCPAES/nano-ZrO2 composite

membranes: (a,a’) CLQCPAES, (b,b’) CLQCPAES/2.5%ZrO2, (c,c’) CLQCPAES/5%ZrO2, (d,d’)

CLQCPAES/7.5%ZrO2, and (e,e’) CLQCPAES/10%ZrO2.

Fig. S1 1H NMR spectra of the hydroxyl-terminated hydrophilic oligomer X12 (The average oligomer length, which is calculated from the integral ratio of protons a’ in the hydroxyl terminal biphenyl units to those protons a in biphenyl units belonging to repeat units, is 12.0).

Fig. S2 1H NMR spectra of the fluorine-terminated hydrophobic oligomer Y10 (The average oligomer length, which is calculated from the integral ratio of protons a’ in the fluorine-terminal biphenyl sulfone units to those protons a in biphenyl sulfone units belonging to repeat units, is 10.0).

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Fig. S3 1H NMR spectra of MCPAES and BMCPAES (The benzylmethyl bromide groups per repeating unit (DBM), which is calculated by the equation of DBM=12Ha’/(3Ha’+2Ha), is 1.87).

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Fig. S4 SEM cross section images of CLQCPAES and CLQCPAES/nano-ZrO2 composite membranes: (a,a’) CLQCPAES, (b,b’) CLQCPAES/2.5%ZrO2, (c,c’) CLQCPAES/5%ZrO2, (d,d’) CLQCPAES/7.5%ZrO2, and (e,e’) CLQCPAES/10%ZrO2.

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II. Experimental section

1H NMR spectra were obtained on a Bruker AVANCE 400S with CHCl3 as the solvent and tetramethylsilane (TMS) as the standard. Scanning electron microscope (SEM) cross section images of the CLQCPAES and CLQCPAES/nano-ZrO2 composite membranes were taken using a Hitachi S-3700N in BSECOMP mode.

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